VARRAYX Function


VARRAYX Function

Returns a value that indicates whether the value of the specified argument is an array

Category: Variable Information

Syntax

VARRAYX ( expression )

Arguments

expression

  • specifies any SAS character expression.

  • Restriction: The value of the specified expression cannot denote an array reference.

Details

VARRAYX returns 1 if the value of the given argument is the name of an array; it returns 0 if the value of the given argument is not the name of an array.

Comparisons

  • VARRAY returns a value that indicates whether the specified name is the name of an array. VARRAYX returns a value that indicates whether the value of the specified expression is the name of an array.

  • VARRAY does not accept an expression as an argument. VARRAYX accepts expressions, but the value of the specified variable cannot denote an array reference.

  • Related functions return the value of other variable attributes, such as the variable name, informat, format, among others. For a list, see the 'Variable Information' functions in 'Functions and CALL Routines by Category' on page 270.

Examples

SAS Statements

Results

  array x(3) x1-x3;   array vx(4)  vx1 vx2 vx3 vx4   ('x' 'x1' 'x2' 'x3');   y=varrayx(vx(1));   z=varrayx(vx(2));   put y=;   put z=;  
  y=1   z=0  

See Also

Functions:

  • 'Variable Information' functions in 'Functions and CALL Routines by Category' on page 270




SAS 9.1 Language Reference Dictionary, Volumes 1, 2 and 3
SAS 9.1 Language Reference Dictionary, Volumes 1, 2 and 3
ISBN: N/A
EAN: N/A
Year: 2004
Pages: 704

flylib.com © 2008-2017.
If you may any questions please contact us: flylib@qtcs.net